Engineering is the art of efficiently applying physics Raptor 3 is a marvelous leap forward in rocket engine design. The architecture has been radically simplified....deleting almost all exterior plumbing and embedding the cooling channels directly into the structural walls “The best part is no part.” Every pipe, sensor, or flange deleted is a point of failure eliminated and parasitic mass removed. Because the cooling is internal, Raptor 3 doesn’t even need bulky external heat shields The specs are totally insane: • 280 metric tons of thrust • 330+ bar chamber pressure ➝ Up from 300 bar on Raptor 2 and 250 on Raptor 1. Higher pressure means packing way more combustion energy into a smaller volume, generating massive thrust without making the engine physically larger) • Engine mass dropped to just 1,525 kg ➝ Down from 1,630 kg on Raptor 2 and over 2,000 kg on Raptor 1 • Thrust-to-weight ratio of over 183:1 ➝ This means the engine can lift over 183 times its own physical weight. Every kilogram shaved off the engine structure is an extra kilogram of payload Starship can carry to space This level of efficiency approaches the absolute limits of known physics Raptor 3 drastically increases the payload Starship can deliver to orbit This is the engine that makes life multi-planetary and pushes civilization toward Kardashev Type II Soon it is going to fly....It is pretty sick